<template>
<div>
  <!--面包屑导航-->
  <el-breadcrumb separator-class="el-icon-arrow-right">
    <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
    <el-breadcrumb-item>商品管理</el-breadcrumb-item>
    <el-breadcrumb-item>商品列表</el-breadcrumb-item>
  </el-breadcrumb>

  <el-card>
    <el-row :gutter="20">
      <el-col :span="8">
        <el-input placeholder="请输入内容" v-model = "queryInfo.query" clearable @clear = 'getGoodsList'>
          <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
        </el-input>
      </el-col>
      <el-col :span="4">
        <el-button type="primary" @click="goAddPage">添加商品</el-button>
      </el-col>
    </el-row>
    <el-table :data="goodsList" border stripe>
      <el-table-column type="index"></el-table-column>
      <el-table-column label="商品名称" prop="goods_name"></el-table-column>
      <el-table-column label="商品价格(元)" prop="goods_price" width = "95px"></el-table-column>
      <el-table-column label="商品重量" prop="goods_weight" width = "80px"></el-table-column>
      <el-table-column label="创建时间" prop="add_time" width = "140px">
        <template slot-scope="scope">
          {{ scope.row.add_time | dateFormat}}
        </template>
      </el-table-column>
      <el-table-column label="操作" width = "130px">
        <template slot-scope="scope">
          <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
          <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
        </template>
      </el-table-column>
    </el-table>
    <!--分页-->
    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[5, 10, 15, 20]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total"
      background>
    </el-pagination>
  </el-card>
</div>
</template>

<script>
export default {
  name: "List",
  data() {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10,
      },
      // 商品列表
      goodsList: [],
      total: 0,
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    async getGoodsList() {
      const {data: res} = await this.$http.get('goods', {params: this.queryInfo});
      if(res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败')
      }
      // this.$message.success('获取商品列表成功');
      console.log(res.data);
      this.goodsList = res.data.goods;
      this.total = res.data.total;
    },
    async handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize;
      await this.getGoodsList()
    },
    async handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage;
      await this.getGoodsList()
    },
    async removeById(id) {
      const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err);
      if(confirmResult !== 'confirm') {
        return this.$message.info('取消删除')
      }else {
        const { data: res } = await this.$http.delete(`goods/${id}`);
        if(res.meta.status !== 200) {
          return this.$message.error('删除商品失败');
        }
        this.$message.success('删除商品成功');
        await this.getGoodsList();
      }
    },
    goAddPage() {
      this.$router.push('/goods/add');
    }
  }
}
</script>

<style scoped>

</style>